3/4 inch Hot Roll Mild Steel Square Bar A36 offers good weldability, machinability, and can be heat treated to harden its surface. Hot Rolled Steel Square Bars A36 are made of low carbon steel that is commonly found in most industries, including frame work, support beams, axles, and CNC bases.

MTR MTR Available
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Height
0.75
Max Length
240
Alloy
A36
Production Method
Hot Rolled
Metal Type
Carbon Steel
Shape
Bar-Square
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
1.92 pounds
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Mechanical Properties

Machinability %
72
Elongation % in 2 in.
22
Yield Tensile Strength KSI
48
Electrical Conductivity % IACS
12
Brinell Hardness 3000 kg load
140
Ultimate Tensile Strength KSI
58
Density g/cm^3
8
Melting Point °F
2590 - 2670
Rockwell Hardness B Scale
77
Shear Strength KSI
44
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Chemistry Information : A36 Carbon Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.29  max
Cu
0.2
Fe
99
Mn
0.75
P
0.04  max
S
0.05  max

This carbon steel square bar is available in lengths ranging from 12 inches up to a maximum of 240 inches, with a consistent height and width of 0.75 inches.

Yes, custom cutting is available from the warehouse, allowing you to order the square bar cut to your desired length.

Absolutely, this A36 hot rolled carbon steel bar offers good weldability and machinability, making it ideal for applications such as framework, support beams, axles, and CNC bases.

Yes, this product complies with RoHS and REACH standards, ensuring it meets important environmental and safety regulations.

Yes, an MTR is available for this product, providing detailed certification of its material properties.

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